<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- method设置为pst增加安全性，  不会显露密码账号 -->
    <!--  涉及到文件上传是必须将encttype的值设置为multipart/form-data -->
    <form action="" method="post" enctype="multipart/form-data">
        <input type="text">
        <input type="password" name="" id="">
        <button type="submit" class="btn btn-primary">提交</button>

    </form>
</body>

</html>